Home / 13,001.56-17,936.45-7,621.27

Finding the Fourth Proportional to 13,001.56, 17,936.45 and 7,621.27

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Solution

The fourth proportional to 13,001.56, 17,936.45 and 7,621.27 is: 10,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.56 : 17,936.45 = 7,621.27 : x
  2. Step 2: Convert to fraction form
    13,001.56/17,936.45 = 7,621.27/x
  3. Step 3: Cross multiply
    13,001.56x = 17,936.45 × 7,621.27
  4. Step 4: Simplify right side
    13,001.56x = 136,698,438.61
  5. Step 5: Solve for x
    x = 136,698,438.61/13,001.56
  6. Step 6: Final answer
    x = 10,514.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.